42005253415050 has 144 divisors (see below), whose sum is σ = 113813423287200. Its totient is φ = 11106451355520.

The previous prime is 42005253415009. The next prime is 42005253415093. The reversal of 42005253415050 is 5051435250024.

42005253415050 is a `hidden beast` number, since 4 + 2 + 0 + 0 + 525 + 34 + 1 + 50 + 50 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42005253414996 and 42005253415014.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 37192777 + ... + 38305523.

It is an arithmetic number, because the mean of its divisors is an integer number (790370995050).

Almost surely, 2^{42005253415050} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42005253415050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56906711643600).

42005253415050 is an abundant number, since it is smaller than the sum of its proper divisors (71808169872150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42005253415050 is a wasteful number, since it uses less digits than its factorization.

42005253415050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113477 (or 1113469 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 42005253415050 its reverse (5051435250024), we get a palindrome (47056688665074).

The spelling of 42005253415050 in words is "forty-two trillion, five billion, two hundred fifty-three million, four hundred fifteen thousand, fifty".